CVE-2026-43379 ksmbd: fix use-after-free in smb_lazy_parent_lease_break_close()

🗓️ 08 May 2026 14:21:28Reported by GoogleType

osv🔗 osv.dev👁 1 Views

ksmbd fixes use-after-free in smb_lazy_parent_lease_break_close by not using opinfo after rcu_read_unlock.

Reporter	Title	Published	Views	Family All 16
ATTACKERKB	CVE-2026-43379	8 May 202614:21	–	attackerkb
AstraLinux	Astra Linux – Vulnerability in Linux 5.10	20 May 202605:53	–	astralinux
CNNVD	Linux kernel 安全漏洞	8 May 202600:00	–	cnnvd
CVE	CVE-2026-43379	8 May 202614:21	–	cve
Cvelist	CVE-2026-43379 ksmbd: fix use-after-free in smb_lazy_parent_lease_break_close()	8 May 202614:21	–	cvelist
Debian CVE	CVE-2026-43379	8 May 202614:21	–	debiancve
EUVD	EUVD-2026-28685	8 May 202615:31	–	euvd
NVD	CVE-2026-43379	8 May 202615:16	–	nvd
OSV	BELL-CVE-2026-43379	21 May 202606:10	–	osv
OSV	DEBIAN-CVE-2026-43379	8 May 202615:16	–	osv

Source	Link
git	www.git.kernel.org/stable/c/960699317d39f46611f4ebeb69edc567c1f4e6b6
git	www.git.kernel.org/stable/c/b3568347c51c46e2cabc356bc34676df98296619
git	www.git.kernel.org/stable/c/bf4d66d72e4a9e268c1012c331ce9eaedb5e2086
git	www.git.kernel.org/stable/c/dbbd328cf58261ca239756fe1c0d10c9518d3399
git	www.git.kernel.org/stable/c/eac3361e3d5dd8067b3258c69615888eb45e9f25
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43379.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-43379
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

08 Jul 2026 08:10Current

6.6Medium risk

Vulners AI Score6.6

CVSS 3.19.8

EPSS0.00444